126510023 has 2 divisors, whose sum is σ = 126510024. Its totient is φ = 126510022.

The previous prime is 126509989. The next prime is 126510031. The reversal of 126510023 is 320015621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126510023 - 2¹⁰ = 126508999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126509977 and 126510004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126510053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63255011 + 63255012.

It is an arithmetic number, because the mean of its divisors is an integer number (63255012).

Almost surely, 2^126510023 is an apocalyptic number.

126510023 is a deficient number, since it is larger than the sum of its proper divisors (1).

126510023 is an equidigital number, since it uses as much as digits as its factorization.

126510023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 126510023 is about 11247.6674470754. The cubic root of 126510023 is about 502.0053107061.

Adding to 126510023 its reverse (320015621), we get a palindrome (446525644).

The spelling of 126510023 in words is "one hundred twenty-six million, five hundred ten thousand, twenty-three".